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Monthly climate in Gangdong, South Korea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gangdong features a humid continental climate (Dfb). Temperatures typically range between 2 °C (36 °F) and 25 °C (77 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 1307 mm (51.5 inches) and receives 103 rainy days on the 1 mm (0.04 inches) threshold annually. Gangdong enjoys an average of 3127 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Gangdong, South Korea

The warmest months in Gangdong are July, August and September, with daily mean temperatures ranging from 21 to 25 °C (70 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 4 °C (36 - 40 °F) throughout the day. On average each year, Gangdong experiences 35 days above 25 °C (77.0 °F) and 33 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gangdong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(52°F)		14°C
(57°F)		20°C
(68°F)		25°C
(77°F)		31°C
(88°F)		27°C
(81°F)		31°C
(87°F)		33°C
(91°F)		28°C
(82°F)		26°C
(79°F)		21°C
(69°F)		16°C
(60°F)
Mean maximum10°C
(50°F)		12°C
(54°F)		16°C
(61°F)		21°C
(69°F)		26°C
(78°F)		25°C
(77°F)		29°C
(85°F)		30°C
(87°F)		26°C
(79°F)		24°C
(75°F)		19°C
(66°F)		12°C
(55°F)
Average high5°C
(41°F)		6°C
(43°F)		10°C
(51°F)		14°C
(58°F)		19°C
(66°F)		21°C
(71°F)		25°C
(77°F)		26°C
(80°F)		22°C
(72°F)		18°C
(64°F)		13°C
(56°F)		7°C
(44°F)
Daily mean2°C
(36°F)		3°C
(38°F)		8°C
(46°F)		12°C
(53°F)		16°C
(61°F)		20°C
(67°F)		23°C
(74°F)		25°C
(77°F)		21°C
(70°F)		16°C
(61°F)		11°C
(51°F)		4°C
(40°F)
Average low0°C
(32°F)		1°C
(33°F)		5°C
(42°F)		9°C
(49°F)		14°C
(57°F)		18°C
(64°F)		22°C
(72°F)		24°C
(75°F)		19°C
(67°F)		14°C
(58°F)		8°C
(47°F)		2°C
(35°F)
Mean minimum-7°C
(19°F)		-6°C
(22°F)		0°C
(32°F)		5°C
(41°F)		10°C
(50°F)		15°C
(60°F)		19°C
(66°F)		21°C
(70°F)		16°C
(61°F)		8°C
(47°F)		1°C
(35°F)		-6°C
(21°F)
Minimum-12°C
(11°F)		-9°C
(16°F)		-4°C
(25°F)		3°C
(39°F)		8°C
(47°F)		13°C
(56°F)		17°C
(63°F)		20°C
(68°F)		15°C
(59°F)		6°C
(43°F)		-0°C
(31°F)		-9°C
(15°F)

Compare climate in Gangdong with other places

Compare temperature, precipitation, sunshine, UV index in Gangdong, South Korea with other places around the world.

Monthly average precipitation in Gangdong, South Korea

Gangdong usually has the most precipitation in July, August and September, with an average of 13 rainy days and 213 mm (8.4 inches) of precipitation per month. The driest months in Gangdong are January, February and December. On average, 37 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gangdong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)44 (1.7)36 (1.4)86 (3.4)95 (3.7)82 (3.2)61 (2.4)226 (8.9)209 (8.2)205 (8.1)179 (7.0)56 (2.2)30 (1.2)
Average precipitation days (≥ 1 mm)4498791316121074

Monthly sunshine hours in Gangdong, South Korea

The sunniest months in Gangdong are April, May and June, when the sun shines an average of 9 hours 53 minutes a day. Least sunny months in Gangdong: January, February and November receive an average of 7 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gangdong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours195238267285303311284266250248234240
Mean daily daylight hours9h 51m10h 46m11h 57m13h 10m14h 11m14h 42m14h 27m13h 33m12h 23m11h 11m10h 8m9h 35m

Solar UV radiation in Gangdong, South Korea

Gangdong experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Gangdong UV Index data.

Average daily maximum UV levels by month for Gangdong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)34691011111210743